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Add game port to CMI8x38

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This commit is contained in:
RichardG867
2022-02-25 20:03:18 -03:00
parent b07570696f
commit 0a0f3c95a6
1 changed files with 12 additions and 2 deletions
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14
src/sound/snd_cmi8x38.c
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@@ -58,6 +58,7 @@ typedef struct _cmi8x38_ {
int slot;
sb_t *sb;
void *gameport;
cmi8x38_dma_t dma[2];
int master_vol_l, master_vol_r, cd_vol_l, cd_vol_r;
@@ -243,6 +244,11 @@ cmi8x38_write(uint16_t addr, uint8_t val, void *priv)
cmi8x38_start_playback(dev, dev->io_regs[0x00]);
break;
case 0x04:
/* Enable or disable the game port. */
gameport_remap(dev->gameport, (val & 0x02) ? 0x200 : 0);
break;
case 0x05:
dev->io_regs[addr] = val;
cmi8x38_speed_changed(dev);
@@ -335,7 +341,9 @@ cmi8x38_write(uint16_t addr, uint8_t val, void *priv)
break;
case 0x21:
if (dev->type != CMEDIA_CMI8338)
if (dev->type == CMEDIA_CMI8338)
val &= 0xf7;
else
val &= 0x07;
break;
@@ -416,7 +424,6 @@ cmi8x38_write(uint16_t addr, uint8_t val, void *priv)
val &= 0x10;
break;
case 0x04:
case 0x25: case 0x26:
case 0x70: case 0x71:
case 0x80 ... 0x8f:
@@ -782,6 +789,9 @@ cmi8x38_init(const device_t *info)
sound_add_handler(cmi8x38_get_buffer, dev);
sound_set_cd_audio_filter(sb16_awe32_filter_cd_audio, dev->sb);
/* Initialize game port. */
dev->gameport = gameport_add(&gameport_pnp_device);
/* Add PCI card. */
dev->slot = pci_add_card((info->local & 0x100) ? PCI_ADD_SOUND : PCI_ADD_NORMAL, cmi8x38_pci_read, cmi8x38_pci_write, dev);